{"id":"CVE-2020-11881","aliases":["EUVD-2020-4221","GHSA-9vhh-7m5h-q2cr"],"status":"published","title":"An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5,...","description":"An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.03806,"percentile":0.90175,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-129"],"published":"2020-09-14T20:06:38Z","modified":"2026-06-17T02:50:58Z","exploits":[{"source":"pocgithub","id":"botlabsDev/CVE-2020-11881","title":"botlabsDev/CVE-2020-11881","date":"2020-06-17","url":"https://github.com/botlabsDev/CVE-2020-11881"}],"products":[{"vendor":"mikrotik","product":"routeros"}],"references":[{"url":"https://mikrotik.com","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://github.com/botlabsDev/CVE-2020-11881","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11881"},{"url":"https://github.com/advisories/GHSA-9vhh-7m5h-q2cr"}],"sources":{"cve":[{"id":"CVE-2020-11881","description":"An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.","status":"published","published":"2020-09-14T20:06:38Z","modified":"2024-08-04T11:42:00.638Z","updated_at":"2026-11-02T14:35:57.67317Z"}],"euvd":[{"id":"EUVD-2020-4221","description":"An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.","status":"published","published":"2020-09-14T20:06:38Z","modified":"2024-08-04T11:42:00Z","updated_at":"2026-11-03T03:07:41.956166Z"}],"ghsa":[{"id":"GHSA-9vhh-7m5h-q2cr","title":"An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5,...","description":"An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.","status":"published","published":"2022-05-24T17:28:13Z","modified":"2023-01-29T05:04:02Z","updated_at":"2026-11-02T14:45:27.507739Z"}],"nvd":[{"id":"CVE-2020-11881","description":"An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.","status":"published","published":"2020-09-14T21:15:10.137Z","modified":"2026-06-17T02:50:58.383Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:06:14.981587Z"}]}}